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Posted to issues@spark.apache.org by "Dongjoon Hyun (JIRA)" <ji...@apache.org> on 2019/07/16 16:42:16 UTC
[jira] [Updated] (SPARK-27568) readLock leaked when method take()
called on a cached rdd
[ https://issues.apache.org/jira/browse/SPARK-27568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dongjoon Hyun updated SPARK-27568:
----------------------------------
Affects Version/s: (was: 2.4.0)
(was: 2.3.0)
(was: 2.2.0)
(was: 2.1.0)
(was: 2.0.0)
3.0.0
> readLock leaked when method take() called on a cached rdd
> ---------------------------------------------------------
>
> Key: SPARK-27568
> URL: https://issues.apache.org/jira/browse/SPARK-27568
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: wuyi
> Priority: Minor
>
>
> {code:java}
> sc.parallelize(Range(0, 10), 1).cache().take(1){code}
>
> if execute the above code in Spark, we'll see the line below in log:
> *19/04/25 23:48:54 INFO Executor: 1 block locks were not released by TID = 0:*
> *[rdd_0_0]*
>
> and, If we set "spark.storage.exceptionOnPinLeak"=true, job will fail.
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